Updating table through view in oracle

Updating table through view in oracle

Our courses are designed to help the applicants to acquire the required hands-on skills and knowledge to successfully pass these exams.

The exams are administered by Pearson Vue an independent testing organization, with locations worldwide.

Student also learns to manage object dependencies and recompilation of invalid objects.

This course also describes the characteristics and ways of manipulation of large objects.

Before we begin, we will create two scratch tables to work with; a source table and a target table.

We will start by creating the source table as a selection of ALL_OBJECTS data. In the following example, we will merge the source table into the target table.

This program helps to certify professionals who want to demonstrate they posses the knowledge and hands-on skills required to support Oracle's products.

At this skill level, OCA has the foundation of knowledge that will allow him/her to act as a entry-level database administrator or application developer. As a Oracle Certified Associate, you will cultivate industry-supported skills and credentials that you will be able to transfer to future employment opportunities.

This creates a non-mergeable view (this is an unfortunate coincidence in terminology) that is applied back to the target table.

In versions prior to 9i, we would have to code this scenario either in separate bulk SQL statements or in PL/SQL.

We will compare MERGE to these methods later in this article.

They learn about declaring variables, trapping exceptions and they also learn to declare and control cursors.

In class students learn to develop, execute and manage PL\SQL stored program units like procedures, functions, packages and database triggers.

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We can see that this is the same as the MERGE count.

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